.
Jungle Survival
How to Survive in the
Jungle
BY
CHARLES W. BRYANT
In
the 1979 Francis Ford Coppola film "Apocalypse Now," a young Martin
Sheen learns a valuable lesson as Capt. Ben Willard: "Never get out of the
boat."
 |
The dense canopy of the jungle
doesn't let much light reach into the forest floor. |
In
that movie, Capt. Willard and Chef, a fellow soldier, disembark from their PT
boat and venture into the jungles of Vietnam in search of mangoes.
What
they're greeted with instead is a wild tiger with designs to eat them.
Luckily,
Willard and Chef make it back to the boat safe, and Willard is able to complete
his mission. Just ask Col. Kurtz.
A
wild tiger is just one example of what could kill you in a jungle survival
scenario.
You
could also die from a mosquito bite carrying malaria, bacteria in
collected water or a poisonous plant you ate for dinner.
The
good news about the jungle is that water and food are plentiful -- you
just need to know what to look for and where.
The
bad news is the jungle's thick overhead canopy makes it nearly impossible for
anyone to spot you, so you'll probably need to hike to your rescue.
Weather
in a jungle environment is harsh. One thing you'll get plenty of is rain. Lots
and lots of rain.
The
dry season in a jungle means it rains once a day. Monsoon season means a nearly
constant rain.
The
temperatures are generally very high, along with the humidity.
Low
altitude jungles average about 95 degrees Fahrenheit (35 degrees Celsius) with
nearly 100 percent humidity.
The
rain will cool things down, but it's brief. After a storm rolls in, it gets
even hotter and steamier.
It'll
also get dark much quicker in the jungle because of the thick canopy. Your days
won't be shorter, but they'll seem like they are.
Jungles,
or rainforests, are lush, green areas teeming with life of all shapes and
sizes.
They
only cover about 2 percent of the Earth’s 's surface, but they account for 50
percent of all plants and animals.
If
that doesn't describe how flourishing they are, consider this: A 4-square-mile
(10-square-km) area of a rainforest can contain as many as 1,500 flowering
plants, 750 species of trees, 400 species of birds and 150 species of
butterflies [source: The Nature Conservancy].
All
that life makes it both easier and more difficult to survive in the jungle.
On
the next page, you'll find out what dangers lurk under the dense, green canopy.
Welcome
to the jungle.
Dangers of the Jungle: Jungle Animals and Plants
If you focus on any one spot in a jungle, chances are
you'll see something crawling, slithering, slinking, flying or walking.
 |
| The mosquito may be a nuisance in the suburbs, but it can kill you in the jungle. |
Jungles
are vibrant and alive, which helps when you're foraging for food. But that life
can also be deadly.
Here
are just a few things in the jungle that can make you ill or kill you.
Poisonous
plants: Plant life can be a valuable
source of food energy and nutrition in any survival scenario. This is
especially true in the jungle.
But
eating the wrong kind of vegetation can make you sick or even lead to your
demise.
The
list of inedible plants is long, so if you're the adventurous type you should
own a manual that lists edible and inedible plants in the areas you'll be
exploring.
Most
poisonous plants will only get you sick if you ingest them, but some, like poison
and sumac, are poisonous to the touch.
Animals: In the jungle, you can take your pick from thousands
of creatures that could harm or kill you. If you're into mammals, everything
from wild boars to jaguars and cougars can pose a threat.
If
insects are your thing, you've got scorpions, brown recluse spiders and
fire ants to consider.
And,
if there's one thing the jungle has plenty of, it's snakes . Coral snakes,
pit vipers, cobras and the dreaded anaconda, a massive constrictor snake, are
just a few of the deadly serpents you can come across.
How
about a nice dip in the river? Just watch out for the carnivorous piranhas.
See
that cute yellow tree frog? Would you like to pick it up and get a closer look?
Don't do it -- it's the golden poison dart frog and has enough toxins (1 mg) in
it to kill 10 to 20 humans [source: Planet Science].
Water-related
illness: Jungles are wet places, and
sometimes being wet can be dangerous.
If
your feet stay wet for a prolonged period, you can develop trench foot,
or immersion foot. This happens when your feet are constantly waterlogged, and
infection sets in.
If
left untreated, this infection can lead to gangrene and eventually amputation.
So keep your feet as dry as possible.
You
can also get sick from drinking the water in a jungle. Creeks and streams
contain parasites that can make you extremely ill.
All
over the world, 6,000 children die each year from water-born illnesses, and
many of these children live in jungles and rainforests [source: United
Nations].
Mosquito-related
illness: Mosquitoes in the jungle
can infect you with malaria, West Nile virus, Dengue fever or yellow
fever.
Malaria is the worst of the bunch, killing more
than 1 million people per year [source: CDC].
The
most common strain of this parasitic infection, Plasmodium Falciparum,
is also the most deadly.
Dengue
fever is a potentially deadly
viral disease with more than 50 million cases reported each year. It's
characterized by a high fever, rash and muscle pain.
Yellow
fever is another viral disease,
but only found in Africa and South America. It's nearly 10 times as deadly to
visitors as it is indigenous people.
You'll
experience fever, nausea, and stomach and muscle pain with yellow fever.
West
Nile virus (WNV) can spread from mosquitoes to many kinds of
mammals, but is mostly found in birds. WNV isn't limited to the jungle though
-- in 2003, the disease killed more than 250 people in the United States.
On
the next page, we'll find out how you can find fresh drinking water in the
jungle.
Jungle Survival: Finding Water
Because jungles are so wet, collecting rainwater is
probably the easiest part of survival.
 |
| You can fashion a water filter if you have a plastic bag. |
Leaves
on the rainforest floor are large because of the limited amount of
sunlight they get.
The
larger the leaf, the more of the sun’s rays it can soak up. Large leaves are
useful in collecting dew and rainwater.
If
you have a container to store water, simply angle a leaf into it overnight or
during a rainstorm and you have some fresh drinking water in no time.
If
you have a poncho, tie it to a tree on a slant to allow the rain to collect and
drain.
If
it tastes a little funny, it's because rainwater lacks certain minerals found
in groundwater or streams.
You'll
fare even better if you can find a running water source. Animals need water, so
look for wildlife or animal tracks to lead you to a stream.
If
you find a stream, don't just start drinking; it could contain parasites that
can make you seriously ill.
You
should purify the water by boiling it over a fire -- 10 minutes is a good
rule of thumb. Boiling water means you need fire and a container of some kind.
If
you don't have a container, you can probably find an aluminum or tin can in
most any natural environment.
Believe
it or not, plastic bottles also work for boiling. One method is to completely
fill the bottle with water, cap it and drop it into some hot coals.
The
lack of air in the bottle should keep it from melting. If you don't have enough
water to fill the bottle, suspend it above the fire with rope or vine so the
flames just touch the bottom.
The
risk of boiling in a plastic bottle is that your collection device could melt.
Green
bamboo has clear and odorless water inside it that you can drink. To access it,
bend the top of a tree down about a foot off the ground and tie it off.
Cut
a few inches off the tip, put a container underneath and leave it overnight.
The next day, you should have some drinkable water.
 |
| A solar still can help you collect drinking water. |
Another
way to collect water is to make a solar still. To do this, you'll
need some plastic sheeting or a poncho, a digging tool, a container and a rock.
·
Choose a moist area that gets
sunlight for most of the day.
·
Dig a bowl-shaped hole about 3
feet across (91 centimeters) and 2 feet deep (60 centimeters), with an
additional sump, or deeper pit, in the center.
·
Place the container into the
sump.
·
Place the plastic over the hole
and cover the sides with rock and soil to keep it secure.
·
Put your rock in the center of
the sheet and let it hang down about 18 inches (45 centimeters), directly over
the container, to form an inverted cone.
The
moisture from the ground reacts with the heat from the sun to produce
condensation on the plastic.
The
sag in the plastic forces the condensation to run down and into your container.
A successful still can produce up to 1 quart of drinking water per day.
These
are just a few methods you can use. But first, skip ahead to the next page and
learn about what edible plants and animals you can find in the jungle.
Survive the Jungle: Finding Food
Besides water, the other thing you'll need to survive
in the jungle is food. Your dining choices largely revolve around edible
plants, fruit, insects and fish.
 |
Insects are eaten all over the world
by children of all ages. |
Unless
you have a guidebook on edible plant varieties, you'll need to figure it out on
your own.
It
can be deadly to eat a plant you're unsure of, so it's better to try and find
food elsewhere than to risk eating a toxic plant.
You
can follow these general rules when foraging for plants:
·
Avoid plants with white or yellow
berries.
·
Don't eat mushrooms. Some are
safe, but many are highly toxic and even deadly, so it's not worth the risk.
·
Avoid plants with thorns.
·
If it tastes bitter or soapy,
spit it out.
·
Steer clear of shiny leaves.
·
Stay away from plants with leaves
in groups of three.
·
Stay away from plants with
umbrella-shaped flowers.
·
Avoid beans or plants with seeds
inside a pod.
·
Milky or discolored sap is a
warning sign.
·
Avoid anything with an almond
smell.
You
can also use the universal edibility test to check whether a
plant is edible.
It
involves steps like rubbing the plant on your skin and lips and holding it in
your mouth to see if there's an adverse reaction.
Fruit
can be found throughout the jungle. Depending on where you are, you can find
everything from mangoes and bananas to wild yams and sugarcane.
Coconuts
are a good food source in tropical jungles, as is sugarcane, figs, papaya and
taro root.
Familiarize
yourself with local edible fruits before you travel to any jungle or
rainforest.
Insects
are another good source of protein. More than 1,400 varieties are eaten
regularly everywhere on Earth aside from the United States, Canada and Western
Europe [source: IRIN News].
The
practice is called entomophagy, and it's been around for centuries.
Unfortunately,
there isn't a dead giveaway to tell if a bug is edible unless you know what
you're doing.
But
there are some general guidelines you can use to help you decide:
·
Steer clear of brightly colored
insects.
·
Avoid insects that are extremely
pungent.
·
Don't eat hairy critters or bugs
that bite or sting.
Worms,
grubs and termites are everywhere in the jungle and are all a great protein
source.
If
you had fresh water, you could survive for months on insects alone. Beetles can
also make for a hearty meal, but some carry parasites.
A
good way to make sure you're safe is to cook it. A good boiling or slow roast
will usually negate the effect of harmful toxins.
So
you don't fancy plants and insects? You're more of a meat-and-potatoes man? OK
then, Rambo, grab that spear and we'll go fishing on the next page.
Survival Fishing in the Jungle
Plants, fruits and insects are a valuable
survival commodity, but if you really want a good source of protein you're
going to have to test your mettle as a fisherman.
 |
With a little practice, you can catch fish using a spear,
just like your favorite jungle tribesman. |
Hunting
for meat is possible, but it's very difficult and can be dangerous. There
aren't many mammals in the jungle you'd want to eat anyway.
In
fact, more protein can be found in the desert than on the floor of a rainforest [source: The Nature Conservancy].
Hunting
techniques like stalking and spearing, using a sling or a homemade blow gun are
passed down for generations in native tribes and are very difficult to master.
They'd
likely just lead to wasted energy and no food. Then there's the fact that you
can't keep meat fresh for very long.
All
in all, unless you're an experienced survivalist, your energy is better spent
fishing than hunting.
The
Amazon River is home to more than twice the number of fish species than
the Atlantic Ocean. One of these is the Piranha.
They're
edible, but don't really have much meat on them, so try to focus on other fish.
Despite
their reputation, piranhas don't typically bother humans, but avoid getting
into the water if you have an open wound -- they're attracted to the
scent of blood.
There's
also a species of catfish called the pirarucu. It's the largest
freshwater fish in the world, and just one of these giants can yield as much as
150 pounds (70 kg) of meat.
Unless
you have a survival kit with some fishing gear, spear fishing is probably your
best bet. Bamboo is plentiful in the jungle and makes a great spear.
After
you find a 6- to 8-foot (1.8- to 2.4-meter) piece of bamboo,
·
make two intersecting crosscuts
at one end about 6 inches (15 cm) deep, creating four prongs.
·
separate the prongs by wedging
vine into the crevices.
·
sharpen the prongs with a knife
or sharp rock.
Just
like that, you have a four-pronged fishing spear. Now comes the tricky part --
spearing the fish.
Once
you're at the river or stream, find a rock to stand on or wade into knee-deep
water. Move slowly and deliberately to avoid scaring away the fish.
Hold
the spear with both hands, with the sharp end a couple of feet from the
surface. This allows you to strike fast when you see your prey.
Once
you spot a fish, stand still and wait for it to swim close to you. Once it's
within range, jab quickly and forcefully and try to pin the fish either on a
rock or the bed of the stream.
Just
remember that practice makes perfect. You may not land one on your first
go-round, but keep at it and you'll eventually get the hang of it.
Once
you have your fish, cook it to improve the taste. You don't need a skillet or
deep fryer -- all you need is a fire and some rocks for a primitive oven:
·
Heat 6 to 8 medium-sized rocks in
the fire for two to three hours.
·
Dig a hole in the dirt 1 foot
deep and 2 feet across (30 and 60 cm).
·
Carefully move the hot rocks into
the hole using a tree branch.
·
Wrap your fish several times over
in large, non-toxic green leaves and tie it off with vine. Banana tree leaves
are large and safe to use.
·
Sit the wrapped fish on top of
the rocks and cover it all with dirt.
·
After about an hour, dig up the
fish and enjoy your cooked meal.
Now
that you have some fresh water and a nice 200-pound catfish roasting on the
fire, why don't you get a little civilized and build a home for yourself? Find
out how on the next page.
Building a Shelter in the Jungle
A good shelter is important for many reasons. It
shields you from the elements, hides you from wildlife intruders and provides
the psychological comfort needed to remain calm and in control -- a survival
necessity.
 |
A simple A-frame tent can protect you from the elements.
But who will protect you from yourself? |
When
choosing a place to build your shelter, stay near a source of water if
possible and avoid natural hazards like dead trees and cliffs.
Make
use of anything you find or already have with you. A length of rope and some
ripped plastic sheeting or poncho can be of great use in the jungle.
For
a basic rain shelter, simply tie the poncho or plastic between four trees to
form a canopy.
You
can fashion a tent shelter by running rope down the center of the poncho
between two trees and staking the sides into the ground using sticks to create
an A-frame.
Another
simple lean-to shelter can be made by tying two opposite corners of the poncho
to trees.
The
other end slants diagonally to the ground and can be secured with stick stakes
or heavy rocks.
If
you don't have any rope, build a one-person tent from tree branches:
·
Take a forked tree branch and
wedge it into the ground about a foot deep, with the "Y" pointing up.
·
The ridgepole is
the center ceiling support and should be straight and sturdy. Run it from the
ground to the fork, resting in the "Y."
·
Create an "A" for the
tent door by resting sturdy diagonal branches opposite each other that meet at
the fork.
·
Use vine to lash together all
three support points.
·
Create a ribbed frame with
branches set diagonally along the ridgepole, wide enough so you have room
inside.
·
Once you have your frame built,
drape your cover over the top and stake it down with sharp sticks.
 |
There's no snow in the jungle, but that won't stop us
from showing you every possible shelter option. |
·
If you don't have a poncho or any
kind of plastic sheeting, build one from natural items. It's basically the same
method, but you use foliage to cover the frame. Natural materials can be
effective insulators and rain shields.
After
you build the frame, use branches, palm fronds and any other large leaves for
your roof. Think of your shelter roof as being shingled like a house.
Work
in layers from the ground up and keep the branches pointed down for rainwater
runoff.
·
You can read more about other
sheltering techniques in How to Build a Shelter. On the next page, you'll learn
how to travel through the jungle.
Moving Through the Jungle
So you're stuck in the jungle and you have food, water
and shelter. Life is pretty good.
 |
Reading may be fundamental, but if this guy doesn't pay attention
he'll get his face mauled by a hungry puma. |
The
only problem is that you aren't Mowgli from "The Jungle Book," so
eventually you want to get out and back to the warm confines of your living
room.
In
order to do this, you need to be able to move through the jungle terrain
without getting hurt.
The
jungle's undergrowth is thick, thorny and difficult to get through. With some
practice, you'll be moving through it like an anaconda.
If
you have the option of wearing long sleeves, do so even though it's hot and
humid.
Avoiding
cuts and scratches means you're avoiding potential infection. When making a
path where there is none, don't look directly in front of you.
Look
10 to 20 feet (3 to 6 meters) ahead for natural breaks in the foliage and stay
on that course. Common survival advice is to try and look "through"
the jungle instead if at it.
Also
keep an eye on the ground, as it may expose a slightly covered trail.
To
avoid walking in circles, pick out a fixed object like a tree about 100 feet
(30 meters) in front of you and walk to it. Then pick out another behind you.
This will keep your course nice and straight.
Keep
your eyes peeled for wildlife danger – snakes, jaguars and anything
else that can be a threat.
Move
slowly and steadily and make sure to listen as well. If you have a machete,
you're in good shape.
But
cut only what you need to get through the vegetation or you'll tire out.
Remember, you aren't establishing a trail for everyone else to follow, just
yourself.
Find
a long walking stick to part the vegetation directly in front of you or to move
any varmints you might encounter. Using a stick will also help move biting
ants, spiders or snakes.
There
may be natural trails made by animals that you can follow. These trails often
lead to water or clearings that will improve your chances of getting spotted.
But
only use these trails if they're heading in the direction you want to go.
Now
that you've braved the jungle, why not take on other survival scenarios? Browse
some interesting links on the next page.
DOWN IN JUNGLELAND
Here a few more survival tips if you find yourself
lost in the jungle:
·
If you don't have any mosquito repellent,
tie a t-shirt over your head and let it hang down over your neck.
·
Rub mud on your exposed skin.
Once it dries, it will form a crusty barrier against mosquitoes.
·
Use campfire smoke at dawn and
dusk to help repel insects.
·
Shake out your shoes or boots
before you put them on each day. Scorpions and spiders like to hide
inside them.
·
Rivers and streams often lead to
human settlements.
·
Look to monkeys for advice on
what kinds of fruits and plants are safe to eat.
·
Leave piles of rocks along your
trail as a rescue signal.
·
Break branches at eye-level on
your path to let rescuers know which direction you're traveling.
·
Use a smoke signal to alert
rescuers. Find an open spot for the smoke to rise, then cover the fire with wet
palm fronds for several seconds at a time in bursts of three, the signal for
distress.
About Charles W.
Bryant
Charles W.(Chuck) Bryant co-hosts the 'Stuff You Should Know' podcast along with his trusty
sidekick, Josh Clark. He was born in Atlanta in the early 1970s under the sign
of Pisces. Twenty-four years later, he earned an English degree at the
University of Georgia. He spent the next decade traveling, pursuing creative
endeavors and getting street smart. He and his wife-to-be moved back to Atlanta
in 2004, with four pets in tow. He hooked up with HowStuffWorks.com shortly after co-host Josh was
hired, and the pair bonded immediately over their love of Hunter S. Thompson,
the fight-or-flight response and dive bars. In his off-time, Chuck enjoys
hanging out with his wife, cooking and playing in his old-man band. He loves
his neti pot and hates cold bathroom floors. You can find Chuck on Twitter
at @SYSKPodcast and on Facebook at the
official Stuff You Should Know page.
https://adventure.howstuffworks.com/survival/wilderness/jungle-survival.htm
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outdoors
Air pressure is created by
the molecules moving around. Moving air has a force that will lift kites and
balloons up and down. 
Airplane
wings are curved on the top which makes air move faster over the top of the
wing.
1.
If an object is not moving, it will not start moving by itself.
If an object is moving, it will not stop or change direction unless something
pushes it.
Four Forces of Flight
Let's
pretend that our arms are wings. If we place one wing down and one wing up we
can use the roll to change the direction of the plane. 
How Does a Pilot Control the Plane?
Ailerons - The ailerons raise and lower the wings. The pilot controls the roll
of the plane by raising one aileron or the other with a control wheel. Turning
the control wheel clockwise raises the right aileron and lowers the left
aileron, which rolls the aircraft to the right.
Rudder - The rudder works to control the yaw of the
plane. The pilot moves rudder left and right, with left and right pedals.
Lowering the elevators makes the plane nose go down and allows the plane
to go down. By raising the elevators the pilot can make the plane go up.
Sound
is made up of molecules of air that move. They push together and gather
together to form sound waves. 
Sometimes
called speeds of flight, each regime is a different level of flight speed.
Thrilling Speed
How Black Boxes Work
